Crate async_fetcher

Expand description

Asynchronously fetch files from HTTP servers

Concurrently fetch multiple files at the same time.
Define alternative mirrors for the source of a file.
Use multiple concurrent connections per file.
Use mirrors for concurrent connections.
Resume a download which has been interrupted.
Progress events for fetches

let results_stream = Fetcher::default()
    // Define a max number of ranged connections per file.
    .connections_per_file(4)
    // Max size of a connection's part, concatenated on completion.
    .max_part_size(4 * 1024 * 1024)
    // An `Arc<AtomicBool>` which can be used to interrupt the download.
    .cancel(cancellable)
    // The channel for sending progress notifications.
    .events(events_tx)
    // Maximum number of retry attempts.
    .retries(3)
    // How long to wait before aborting a download that hasn't progressed.
    .timeout(Duration::from_secs(15))
    // Finalize the struct into an `Arc` for use with fetching.
    .build()
    // Take a stream of `Source` inputs and generate a stream of fetches.
    .requests_stream(input_stream)
    // Fetches up to 8 sources concurrently
    .buffered(8);